Paragraph 9
A person may, without holding a firearm certificate, have in his possession or purchase or acquire an air gun.
Sub-paragraph (1) does not apply if the air gun is capable of discharging a missile so that the missile has, on being discharged, a kinetic energy in excess of one joule.
A person who is under the age of 18 may not by virtue of sub-paragraph (1)—
have an air gun in his possession without a firearm certificate unless he has attained the age of 14 or is under the supervision of a person who has attained the age of 21;
purchase an air gun without a firearm certificate unless he has attained the age of 17.
A person may, without holding a firearm certificate, have in his possession or purchase or acquire ammunition for an air gun.